... 1/2" - 72"3) Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplexsuper duplex stainless steelASTM: Carbon Steel: ASTM A234 WPB, WPC; ASTM A420 WPL9 ... .7380, 1.0488, 1.0566JIS:Carbon Steel: PG370, PT410, SS400Stainless Steel: SUS304, SUS304L, SUS316, SUS316L, SUS321Alloy Steel: PA22, PA23,PA24, PA25, PL3804) ... according to the customer requirement. X 70 Seamless Cross for pipeline project